Transcription of Designing A Wide Input Range DCM Flyback Converter Using ...
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AN730 Vishay SiliconixDocument Number: 7118008 Jul A wide Input Range DCM Flyback ConverterUsing the si9108 FEATURESDWide 10-V to 100-V Input voltage RangeDEnables Designs With Efficiency Above 80%D 12-V Outputs At 125 mADTotal 3-W Continuous PowerDDiscontinuous Conduction Mode Flyback dc-to-dcConverterD500-V Input /Output Isolation MinimumDNo Optocoupler Feedback NeededDLow Component Count, Low-cost DesignDComplete Solution Occupies 2 In2 Of Board Space InA Single-Sided FR4 BoardDMaximum Component Height Is 1/4 si9108 is a highly integrated, high-efficiencycurrent-mode regulator designed for telecom dc-to-dcconverters. Its wide operating duty cycle of up to issuitable for many power conversion applications, especiallythose with a wide operating Input voltage Range . Thisapplication note is intended to guide the user to design a verywide Input voltage Range , discontinuous conduction mode(DCM) Flyback use a Flyback Converter ?
Designing A Wide Input Range DCM Flyback Converter Using the Si9108 FEATURES Wide 10-V to 100-V Input Voltage Range Enables Designs With Efficiency Above 80% 12-V Outputs At 125 mA ... duty cycle varies with both the input voltage and output load, thus wide …
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